Grinding-machine.



Patented Mar. I3, I900.

F. FAUCETT.

GRINDING MACHINE.

(Application filed July 25, 1899.)

(No Model.)

as co. wow-Una. WASKINGTD UNITED STATES PATENT Grimes.

FRANK FAUOETT, OF SAYBROOK, ILLINOIS.

GRINDING-MACHINE.

SPECIFICATION forming part of Letters Patent N 0. 645,355, dated March 13, 1900.

Application filed July 25, 1899.

To an whom, it may concern.-

Be it known that I, FRANK FAUCETT, a citizen of the United States, residing at Saybrook, in the coun'ty of McLean and State of Illinois, have inventeda new and useful Grinding- Machine, of which the following is a specification.

This invention relates to grinding machines; and it has for its object to provide a new and useful machine of this character having simple and efficient means for grinding and sharpening cut-away disks, sickleknives, and other tools, especially of that type wherein the abrading elements must operate in connection with the concave cutting edge or in the angle, one or both sides of which are formed by the'cutting edge of the tool.

A further object of. the invention is to provide a portable grinding-machine having the abrading elements thereof so disposed as to operate in connection with a cut-away disk or sickle-knife without removing said diskor knife from the machine of which it may form a part.

With these and other objects in View, which will more readily appear as the nature of the invention is better understood, the same consists in a novel construction, combination, and arrangement of the parts hereinafter more fully described, illustrated,and claimed.

While the fundamental features of the invention are necessarily susceptible to modification without departing from the spirit or principle thereof, the preferred embodiment of the improvement is shown in the accompanying drawings, in which- Figure 1 is a perspective View of the grinding-machine. Fig. 2 is a side view, partly in section. Fig. 3 is a detail sectional view on the line 3 3 of Fig. 2. Fig. 4 is a detail sectional view on the line 4 4 of Fig. 2, showing more clearly the detachable fastening connection for the terminals of the frame side bars or arms.

Like numerals of reference designate corresponding parts in the several figures of the drawings.

The frame-stock 1 of the machine preferably consists of a single metal bar, which may be sinuously curved to provide clearance for the parts supported thereby, as plainly shown in the drawings, and said frame-stock is pro- Serial No. 725,100. (No model.)

vided at its upper or outer end with a laterally-deflected handle support 2, on which is fitted a grip or handle 3. At its opposite or inner end the frame-stock 1 is provided with an integral laterally-offset bearing-head 4, projected from the side of the stock opposite the handle-support 2 and provided therein with a central bearing-opening 5 and with a pair of sockets 6, located, respectively, at opposite sides of the plane of said opening. In addition to the features described the framestock is further provided intermediate the ends thereof with a pair of spaced bolt-openings 7 and S, which respectively receive the outer and inner spindle-bolts 9 and 10, which are detachably held to the frame-stock by means of the fastening'nuts 11, whereby the said bolts may be readily removed and replaced when desired.

There is associated with the frame-stock 1 as a part of the machine-framework a pair of parallel frame side bars or arms12, which constitute a lower frame member and have their inner upper ends constructed to form terminal studs 13, fitting inthe sockets 6 of the bearing-head 4 and held therein by means of the detachable fastening-keys 14, passed laterally through openings in the extremities of said studs and engaging at one side of said bearing-head. Contiguous to their detachable connection with the bearing-head 4 the frame side bars or arms 12 are provided with laterally-offset clearance-bends 15, which provide a working space for the balance-wheel hereinafter referred to, and adjustably and detachably mounted on the side bars or arms 12 and at a point intermediate their ends is a two-part bearing-clamp 16. This clamp consists of duplicate jaws or members 17, arranged, respectively, at opposite sides of the bars or arms 12 and are clamped thereon by means of the clamp-bolts 1S. Centrally between its ends the said bearing-clamp is provided with a bearing 19, alined with the bearing-opening 5 to form a terminal support for the rotary operating-spindle 20, which is arranged between and parallel to the bars or arms 12 and has the inner or upperend portion thereof journaled in the said bearingopening 5.

The rotary operating-spindle 20 has fitted to the inner end thereof, at one side of the bearing-head 1, the beveled gear-pinion 21, which meshes with a beveled gear-wheel 22, mounted on the inner spindle-bolt 10, and to provide for maintaining the operative rela tion between the said beveled gear-wheel 22 and the pinion 21 the bearing-head 4: is preferably provided at one end thereof with an upstanding guard or retaining arm 23, which overlaps the peripheral edge of the wheel 22. The said beveled gear-wheel 22 is provided at one side thereof with a pinion 24, with which meshesa driving spur-wheel 25, mounted upon the outer spindle-bolt 9 and provided with an operating crank or handle 26. It will be observed that the spur-wheel 25 and the pinion 24 provide means for multiplying the speed of rotation of the operating-spindle 20.

The operatingspindle 20 has mounted thereon adjacent to its inner or upper end a balance-wheel 27, working within the space provided by the clearance-bends 15 of the side bars or arms 12, and between said wheel 27 and the bearing-clamp 16 the spindle also has mounted thereon one or more abrading elements,of which two (designated, respectively, by the numbers 28 and 29) are shown in the drawings. The abrading element 28 is pref erably of a trunco-oonical construction, while the other element 29 is of a cylindrical formation, whereby the two abrading elements may be respectively utilized for grinding or sharpening different kinds of implements or tools. The said abrading elements, as well as the balance-wheel 27, are held in proper position upon the spindle by means of the adjustable collars or nuts 30, which engage a threaded portion of the spindle.

To facilitate the use of the machine, the ends of the frame side bars or arms 12 are extended beyond the bearing-clamp 16 and converged together to form a rest-foot 31. The meeting terminals forming the rest-foot 31 are preferably joined by welding to form a perfectly-rigid structure, and it will be observed that the foot 31 also forms a substantial continuation of the frame and adords a rest which engages with the ground or any surface upon which the tool or machine to be sharpened is supported.

An important feature of the described construction of the machine is the fact that the abrading elements are so disposed as to operate in connection with a cutaway disk or sickle-knife without removing the disk or knife from the machine of which it may form a part. The machine may be placed adjacent to the knife or disk to be sharpened, and by pressing downwardly upon the grip or handle at one end of the main frame-stock the foot may be firmly held in place and enable the operator to apply the required pressure in the grinding operation.

From the foregoing it is thought that the construction, operation, and many advantages of the herein-described machine will be readily apparent to those skilled in the art without further description, and it will be understood that various changes in the form, proportion, size, and minor details of construction within the scope of the appended claims may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

Having thus described the invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a machine of the class described, a frame-stock having at one end a grip or handle, and carrying at its opposite end a frame member provided with a terminal rest-foot, a rotary spindle supported by the fram e-stock and its frame member, and carrying an abrading element or elements, and operating devices supported by the stock between its ends and geared with the spindle, substantially as described.

2. In a machine of the class described, a frame provided at one end with a grip and at the opposite end with a foot, a revoluble spindle arranged longitudinally of the frame wholly between the terminal grip and foot, said spindle carrying an abrading element or elements, and operating devices for communicatin g rotary movement to the spindle, sub stantially as described.

3. In a machine of the class described, a frame-stock having a bearing and provided at one end with a grip or handle and at its opposite end with spaced side bars extended into a foot, a separate bearing spanning the space between and connecting the said side bars, a spindle journaled in both of said bearings and carrying an abrading element, and operating devices for the spindle, substantially as described.

4. In a machine of the class described, a frame-stock provided with a grip or handle, and at one end thereof with a pair of sockets, a pair of frame side bars terminally secured at one end in said sockets, a bearing-clamp connecting the frame-bars, a spindle journaled in the bearing-clamp and the framestock, said spindle carrying abrading elements and operating devices for the spindle, substantially as described.

5. In a machine of the class described, a frame provided with laterally-offset clearance bends, a spindle revolubly supported by the frame and carrying an abrading element, and a balance-wheel also mounted on said spindle and operating within the working space formed by said clearance-bend, substantially as described.

6. In a machine of the class described, the combination of a frame, a revoluble operating-spindle arranged longitudinally of the frame and carrying the abrading element or elements, a balance-wheel also mounted on said spindle, contiguous to one end thereof, and drive-gearing supported beyond the spindle and geared to one end thereof, substantially as described.

7. In a machine of the class described, the combination of the frame, a revoluble oper ating-spindle supported by the frame and In testimony that I claim the foregoing as carrying the abrading element, drive-gearmy own I have hereto affixed my signature in ing supported by the frame and geared with the presence of two witnesses.

said operating-spindle, and a balance-Wheel FRANK 'FAUCETT. 5 mounted on the operating-spindle between Witnesses:

the abrading element and the drive-gearing, P. D. CUNNINGHAM,

substantially as described. S. G. LEWIS. 

